Home / 7,285,580.80-10,928,901.60-2,797,856.80

Finding the Fourth Proportional to 7,285,580.80, 10,928,901.60 and 2,797,856.80

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Solution

The fourth proportional to 7,285,580.80, 10,928,901.60 and 2,797,856.80 is: 4,196,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285,580.80 : 10,928,901.60 = 2,797,856.80 : x
  2. Step 2: Convert to fraction form
    7,285,580.80/10,928,901.60 = 2,797,856.80/x
  3. Step 3: Cross multiply
    7,285,580.80x = 10,928,901.60 × 2,797,856.80
  4. Step 4: Simplify right side
    7,285,580.80x = 30,577,501,658,090.88
  5. Step 5: Solve for x
    x = 30,577,501,658,090.88/7,285,580.80
  6. Step 6: Final answer
    x = 4,196,988.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.